@font-face {
  font-family: 'Oswald';
  src: url('/fonts/oswald-latin.woff2') format('woff2');
  font-weight: 200 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Oswald';
  src: url('/fonts/oswald-latin-ext.woff2') format('woff2');
  font-weight: 200 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* The 2012 original was mint #98d5b5 with white Oswald on top of it — a 1.7:1
   contrast that is unreadable. The hue and the character are kept; the greens
   carrying white text are darkened until they clear WCAG. */
:root {
  --mint: #98d5b5;
  --mint-soft: #a9dcc0;
  --mint-line: #5cbd8a;

  --green-bar: #2b8a5f;
  --green-deep: #1d6b47;
  --green-hover: #17583b;

  --ink: #10291d;
  --ink-soft: #35513f;
  --paper: #ffffff;
  --slab: #101010;

  --focus: #ffd447;

  --font-display: 'Oswald', 'Arial Narrow', system-ui, sans-serif;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;

  --gutter: clamp(1rem, 6vw, 6rem);
  --measure: 68ch;
  --radius: 2px;
}

/* Japanese glyphs sit taller than Latin ones: the 1.05 display leading that
   suits Oswald clips them inside the section bars. */
html[lang='ja'] :is(h1, h2, h3, h4, .display, .brand, .site-nav a, .btn) {
  line-height: 1.35;
}

html[lang='ja'] .hero h1 {
  line-height: 1.1;
}

html[lang='ja'] {
  --font-display: 'Oswald', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN',
    'Yu Gothic Medium', 'Noto Sans JP', sans-serif;
  --font-body: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic',
    'Noto Sans JP', system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --mint: #0e2419;
    --mint-soft: #143223;
    --mint-line: #2d6d4c;

    --green-bar: #1c5c3f;
    --green-deep: #1f7a52;
    --green-hover: #2c8a5e;

    --ink: #e6f4ec;
    --ink-soft: #a7c9b6;
    --paper: #15271e;
    --slab: #05100b;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--mint);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1,
h2,
h3,
h4,
.display {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  text-rendering: optimizeLegibility;
  line-height: 1.05;
  margin: 0;
}

a {
  color: inherit;
}

:where(a, button, input, select, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--slab);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 99;
}

.skip:focus {
  left: 0;
}

.wrap {
  width: 100%;
  max-width: 1400px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- header ---------- */

.site-header {
  padding-block: 1.5rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: flex-start;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.brand svg {
  width: 2.1rem;
  height: 2.1rem;
  flex: none;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: inline-block;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius);
  transition: background 0.2s ease-in, color 0.2s ease-in;
}

.site-nav a:hover,
.site-nav a[aria-current='page'] {
  background: var(--green-deep);
  color: #fff;
}

/* language switcher */

.lang {
  position: relative;
}

.lang summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.15rem;
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--green-deep);
  border-radius: var(--radius);
}

.lang summary::-webkit-details-marker {
  display: none;
}

.lang ul {
  position: absolute;
  right: 0;
  z-index: 20;
  margin: 0.35rem 0 0;
  padding: 0.35rem;
  min-width: 10rem;
  list-style: none;
  background: var(--paper);
  border: 1px solid var(--mint-line);
  box-shadow: 0 6px 24px rgb(0 0 0 / 0.18);
}

.lang li a {
  display: block;
  padding: 0.4rem 0.6rem;
  text-decoration: none;
  font-size: 0.95rem;
}

.lang li a:hover {
  background: var(--mint-soft);
}

/* ---------- hero ---------- */

.hero {
  padding-block: clamp(2rem, 7vw, 5.5rem) clamp(1.5rem, 4vw, 3rem);
}

.hero h1 {
  font-size: clamp(3.2rem, 13vw, 8.5rem);
  letter-spacing: -0.035em;
  max-width: 12ch;
}

.hero h1 .thin {
  color: var(--green-deep);
}

.hero p.tagline {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: clamp(1.1rem, 3vw, 2.1rem);
  letter-spacing: 0.01em;
  border-top: 2px solid var(--ink);
  margin: 1.25rem 0 0;
  padding-top: 0.75rem;
  text-align: right;
}

.lede {
  max-width: var(--measure);
  font-size: 1.05rem;
}

/* ---------- section bar ---------- */

.bar {
  background: var(--green-bar);
  color: #fff;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding: 0.5rem clamp(1rem, 3vw, 1.75rem);
  margin-block: clamp(1.75rem, 4vw, 3rem) 1.25rem;
}

.bar :is(h1, h2, h3) {
  font-size: clamp(1.6rem, 4.5vw, 2.75rem);
  letter-spacing: -0.01em;
}

.btn {
  display: inline-block;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1rem;
  text-decoration: none;
  background: var(--green-deep);
  color: #fff;
  padding: 0.35rem 1rem;
  border-radius: var(--radius);
  border: 0;
  cursor: pointer;
  transition: background 0.2s ease-in;
}

.btn:hover {
  background: var(--green-hover);
}

/* ---------- generator controls ---------- */

/* Controls and the copy card share one width so the block reads as one object,
   and the card does not stretch far past the measure its text is set to. */
.generator {
  max-width: 60rem;
}

.controls {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  background: var(--mint-soft);
  border: 1px solid var(--mint-line);
  margin-bottom: 1.5rem;
}

.control-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.85rem;
}

.control-group > .label {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1rem;
  letter-spacing: 0.02em;
  flex: 0 0 auto;
  min-width: 7.5rem;
  color: var(--ink);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  border: 0;
}

.chip {
  position: relative;
}

.chip input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: pointer;
}

.chip span {
  display: inline-block;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.95rem;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--green-deep);
  border-radius: var(--radius);
  background: transparent;
  color: var(--ink);
  user-select: none;
  transition: background 0.15s ease-in, color 0.15s ease-in;
}

.chip input:checked + span {
  background: var(--green-deep);
  color: #fff;
}

.chip input:focus-visible + span {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.stepper {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--green-deep);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper);
}

.stepper button {
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1;
  width: 2.4rem;
  border: 0;
  background: var(--green-deep);
  color: #fff;
  cursor: pointer;
}

.stepper button:hover {
  background: var(--green-hover);
}

.stepper output {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1rem;
  min-width: 8.5rem;
  padding: 0.4rem 0.75rem;
  text-align: center;
  color: var(--ink);
  align-self: center;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.actions .btn {
  font-size: 1.15rem;
  padding: 0.5rem 1.5rem;
}

.status {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.95rem;
  color: var(--green-hover);
}

/* ---------- copy card ---------- */

.copy-head {
  display: flex;
  justify-content: flex-end;
  margin-bottom: -1px;
}

.copy-head .slab {
  background: var(--slab);
  color: #fff;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.05rem;
  padding: 0.35rem 1rem;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.copy-head .slab:hover {
  background: #000;
}

.copy-head .tick {
  width: 1.1rem;
  height: 1.1rem;
  opacity: 0;
  transition: opacity 0.2s ease-in;
}

.copy-head .slab.done .tick {
  opacity: 1;
}

#copy {
  background: var(--paper);
  border: 1px solid var(--mint-line);
  padding: clamp(1.25rem, 4vw, 2.5rem);
  color: var(--ink);
  font-size: 1.0625rem;
  min-height: 14rem;
  overflow-wrap: break-word;
}

#copy > *:first-child {
  margin-top: 0;
}

#copy > *:last-child {
  margin-bottom: 0;
}

#copy h2 {
  font-size: 1.6rem;
  margin: 2rem 0 0.75rem;
  color: var(--green-hover);
}

#copy h3 {
  font-size: 1.25rem;
  margin: 1.5rem 0 0.5rem;
  color: var(--green-hover);
}

#copy p {
  margin: 0 0 1.1rem;
  max-width: var(--measure);
}

#copy ul {
  margin: 0 0 1.25rem;
  padding-left: 1.25rem;
  max-width: var(--measure);
}

#copy li {
  margin-bottom: 0.5rem;
}

#copy blockquote {
  margin: 0 0 1.25rem;
  padding-left: 1rem;
  border-left: 3px solid var(--mint-line);
  font-style: italic;
  max-width: var(--measure);
}

#copy blockquote cite {
  display: block;
  font-style: normal;
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-top: 0.35rem;
}

#copy pre {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
}

/* ---------- think about ---------- */

.think {
  margin: 1.25rem 0 0;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1rem;
  letter-spacing: 0.01em;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: baseline;
}

.think ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.think li {
  border: 1px solid var(--green-deep);
  border-radius: var(--radius);
  padding: 0.15rem 0.6rem;
  font-size: 0.9rem;
}

/* ---------- industry grids ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.cards a {
  display: block;
  height: 100%;
  background: var(--paper);
  border: 1px solid var(--mint-line);
  padding: 0.85rem 1rem;
  text-decoration: none;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.05rem;
  line-height: 1.25;
  transition: background 0.15s ease-in, color 0.15s ease-in;
}

.cards a:hover,
.cards a[aria-current='page'] {
  background: var(--green-deep);
  color: #fff;
}

.group-title {
  font-size: 1.35rem;
  margin: 2rem 0 0.75rem;
  color: var(--green-hover);
  border-bottom: 2px solid var(--mint-line);
  padding-bottom: 0.35rem;
}

.filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1.25rem;
}

.filter input {
  flex: 1 1 16rem;
  font: inherit;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--green-deep);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
}

.filter input::placeholder {
  color: var(--ink-soft);
}

.empty {
  font-family: var(--font-display);
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------- prose pages ---------- */

.prose {
  max-width: var(--measure);
  font-size: 1.05rem;
}

.prose h2 {
  font-size: 1.75rem;
  margin: 2.25rem 0 0.75rem;
}

.prose h3 {
  font-size: 1.3rem;
  margin: 1.75rem 0 0.5rem;
}

.prose a {
  color: var(--green-hover);
  text-underline-offset: 3px;
}

/* A button inside prose is still a button: `.prose a` would otherwise repaint
   its label in the link colour, on a background of nearly the same green. */
.prose .btn {
  color: #fff;
}

.prose ul,
.prose ol {
  padding-left: 1.25rem;
}

/* ---------- breadcrumbs ---------- */

.crumbs {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.95rem;
  padding-top: 1rem;
}

.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.crumbs li + li::before {
  content: '/';
  margin-right: 0.4rem;
  color: var(--ink-soft);
}

.crumbs a {
  text-decoration: none;
  color: var(--green-hover);
}

.crumbs a:hover {
  text-decoration: underline;
}

/* ---------- footer ---------- */

.site-footer {
  margin-top: auto;
  background: var(--green-deep);
  color: #fff;
  padding-block: 2rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: baseline;
}

.site-footer p {
  margin: 0;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.95rem;
}

.site-footer a {
  color: #fff;
}

/* ---------- copy bank sample ---------- */

.sample {
  margin-top: 2.5rem;
}

.sample-note,
.sample-disclaimer {
  max-width: var(--measure);
  color: var(--ink-soft);
}

.sample-disclaimer {
  font-size: 0.9rem;
  border-top: 1px solid var(--mint-line);
  padding-top: 0.75rem;
}

.sample-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  gap: 1.5rem;
}

.sample-block {
  background: var(--paper);
  border: 1px solid var(--mint-line);
  padding: clamp(1rem, 3vw, 1.75rem);
}

.sample-block h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--green-hover);
}

.sample-block p {
  margin: 0 0 1rem;
}

.sample-block p:last-child {
  margin-bottom: 0;
}

.sample-block .who {
  margin-bottom: 0.25rem;
}

.sample-block .lines {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
}

.sample-block blockquote {
  margin: 0 0 1rem;
  padding-left: 1rem;
  border-left: 3px solid var(--mint-line);
  font-style: italic;
}

.sample-block blockquote cite {
  display: block;
  font-style: normal;
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-top: 0.35rem;
}

/* ---------- latin passages ---------- */

.latin {
  margin: 1.5rem 0;
  background: var(--paper);
  border: 1px solid var(--mint-line);
  padding: clamp(1rem, 3vw, 1.75rem);
}

.latin figcaption {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin-bottom: 0.75rem;
}

.latin-text p {
  margin: 0 0 1rem;
}

.latin-text p:last-child {
  margin-bottom: 0;
}

.latin .btn {
  margin-top: 1rem;
}

.cicero {
  display: grid;
  gap: 1rem;
}

/* ---------- faq ---------- */

.faq dl {
  max-width: var(--measure);
  margin: 0;
}

.faq dt {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-top: 1.75rem;
  color: var(--green-hover);
}

.faq dd {
  margin: 0.5rem 0 0;
}

.aside {
  font-family: var(--font-display);
  text-transform: uppercase;
  margin-top: 2rem;
}

.aside a {
  color: var(--green-hover);
}

/* ---------- utilities ---------- */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.no-js .js-only {
  display: none;
}

@media print {
  .site-header,
  .site-footer,
  .controls,
  .copy-head,
  .think,
  .crumbs,
  .cards,
  .bar .btn {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  #copy {
    border: 0;
    padding: 0;
  }
}